21834425

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 27989280

約数和(自身を除く): 6154855

約数列:

[1, 5, 25, 59, 113, 131, 295, 565, 655, 1475, 2825, 3275, 6667, 7729, 14803, 33335, 38645, 74015, 166675, 193225, 370075, 873377, 4366885, 21834425]

約数ペア:

[(1, 21834425), (5, 4366885), (25, 873377), (59, 370075), (113, 193225), (131, 166675), (295, 74015), (565, 38645), (655, 33335), (1475, 14803), (2825, 7729), (3275, 6667)]